1200470040 has 576 divisors, whose sum is σ = 5099028480. Its totient is φ = 239500800.

The previous prime is 1200469997. The next prime is 1200470081. The reversal of 1200470040 is 400740021.

It is a happy number.

It is a super-2 number, since 2×1200470040² = 2882256633875203200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1200469995 and 1200470022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 9452457 + ... + 9452583.

It is an arithmetic number, because the mean of its divisors is an integer number (8852480).

Almost surely, 2^1200470040 is an apocalyptic number.

1200470040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1200470040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2549514240).

1200470040 is an abundant number, since it is smaller than the sum of its proper divisors (3898558440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1200470040 is a wasteful number, since it uses less digits than its factorization.

1200470040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 1200470040 is about 34647.7999301543. The cubic root of 1200470040 is about 1062.7972988579.

The spelling of 1200470040 in words is "one billion, two hundred million, four hundred seventy thousand, forty".